JavaScript ToLowerCase

JavaScript ToLowerCase

by

The JavaScript ToLowerCase method is used to convert the given string into Lowercase letters. The syntax of the ToLowerCase function in JavaScript programming language is

String_Object.ToLowerCase()

JavaScript ToLowerCase Example

The following set of to lowercase examples help you understand the ToLowerCase Function in JS.

<!DOCTYPE html>
<html>
<head>
    <title> JavaScript ToLowerCase </title>
</head>
<body>
    <h1> JavaScript ToLowerCase </h1>
<script>
 var Str1 = "Learn JavaScript at Tutorial Gateway";
 
 var Str3 = Str1.toLowerCase();
 var Str4 = "Hi, This is FROM JS".toLowerCase();
 var Str5 = "JAVASCRIPT LOWERCASE".toLowerCase();
 
 document.write("<b> Lowercase Letters are:</b> " + Str3);
 document.write("<br \> <b> Lowercase Letters are: </b> " + Str4);
 document.write("<br \> <b> Lowercase Letters are: </b> " + Str5);
</script>
</body>
</html>
JavaScript ToLowerCase

The following JavaScript statement converts the above Str1 string into lowercase.

var Str3 = Str1.toLowerCase();

Instead of declaring and assigning the string, JS allows us to use the ToLowerCase function on a string literal directly

 var Str4 = "Hi, This is FROM JS".toLowerCase();
 var Str5 = "JAVASCRIPT LOWERCASE".toLowerCase();